Motorcycle oil tank



FIG. 1 is a perspective view of the motorcycle oil tank of this invention;

FIG. 2 is a side view of the motorcycle oil tank;

FIG. 3 is an end view of the motorcycle oil tank;

FIG. 4 is another side view of the motorcycle oil tank;

FIG. 5 is an end view of the motorcycle oil tank opposite to that of FIG. 3;

FIG. 6 is another side view of the motorcycle oil tank; and,

FIG. 7 is another side view of the motorcycle oil tank.

The broken lines illustrate environmental structure that forms no part of the claimed design. 

The ornamental design for a motorcycle oil tank, as shown and described. 